Checkbox Calculations

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TOPIC: Checkbox Calculations

Checkbox Calculations 1 year, 9 months ago #11198

Chris Higgins
OFFLINE
Fresh Boarder
Posts: 5

Hi Forum,

The example code below works really well to total up the values of selected radio buttons but does anyone know how to achieve the same thing with checkboxes?

Essentially I have a few radio buttons that calculate the cost of a product but I need a checkbox at the end that can add an optional postage supplement.

Many Thanks,
Chris

function calculate() {
 
var val0=document.getElementsByName('form[style]');
var val1=document.getElementsByName('form[boardA]');
var result=document.getElementById('total');
 
result.value=0;
 
for(i=0;i<val0.length;i++)
if(val0[i].checked) result.value=parseFloat(result.value)+parseFloat(val0[i].value);
 
for(i=0;i<val1.length;i++)
if(val1[i].checked) result.value=parseFloat(result.value)+parseFloat(val1[i].value);
 
result.value=(parseFloat(result.value)).toFixed(2);
 
}

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Re:Checkbox Calculations 1 year, 9 months ago #11207

Chris Higgins OFFLINE Fresh Boarder Posts: 5	Any thoughts on this? Even a simple, "no, this can't be done" would be great so I can look at other solutions. Thanks all,
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Re:Checkbox Calculations 1 year, 9 months ago #11209

Chris Higgins OFFLINE Fresh Boarder Posts: 5	Solved. The syntax I was try to identify the checkbox with was... var val10=document.getElementsById('express'); or var val10=document.getElementsByName('form[express]'); but this is the one that worked... var val10=document.getElementsByName('form[express][]');
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Re:Checkbox Calculations 5 hours, 1 minute ago #0

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